[PATCH v3 2/2] hw/nvme: cleanup error reporting in nvme_init_pci()

[Klaus Jensen]

From: Klaus Jensen <k.jensen@samsung.com>

Replace the local Error variable with errp and ERRP_GUARD() and change
the return value to bool.

Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
---
 hw/nvme/ctrl.c | 23 ++++++++++-------------
 1 file changed, 10 insertions(+), 13 deletions(-)

diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c
index a5c0a5fa6ce2..7d855523bb93 100644
--- a/hw/nvme/ctrl.c
+++ b/hw/nvme/ctrl.c
@@ -7343,15 +7343,14 @@ static int nvme_add_pm_capability(PCIDevice *pci_dev, 
uint8_t offset)
     return 0;
 }
 
-static int nvme_init_pci(NvmeCtrl *n, PCIDevice *pci_dev, Error **errp)
+static bool nvme_init_pci(NvmeCtrl *n, PCIDevice *pci_dev, Error **errp)
 {
+    ERRP_GUARD();
     uint8_t *pci_conf = pci_dev->config;
     uint64_t bar_size;
     unsigned msix_table_offset, msix_pba_offset;
     int ret;
 
-    Error *err = NULL;
-
     pci_conf[PCI_INTERRUPT_PIN] = 1;
     pci_config_set_prog_interface(pci_conf, 0x2);
 
@@ -7388,14 +7387,12 @@ static int nvme_init_pci(NvmeCtrl *n, PCIDevice 
*pci_dev, Error **errp)
     }
     ret = msix_init(pci_dev, n->params.msix_qsize,
                     &n->bar0, 0, msix_table_offset,
-                    &n->bar0, 0, msix_pba_offset, 0, &err);
-    if (ret < 0) {
-        if (ret == -ENOTSUP) {
-            warn_report_err(err);
-        } else {
-            error_propagate(errp, err);
-            return ret;
-        }
+                    &n->bar0, 0, msix_pba_offset, 0, errp);
+    if (ret == -ENOTSUP) {
+        warn_report_err(*errp);
+        *errp = NULL;
+    } else if (ret < 0) {
+        return false;
     }
 
     nvme_update_msixcap_ts(pci_dev, n->conf_msix_qsize);
@@ -7412,7 +7409,7 @@ static int nvme_init_pci(NvmeCtrl *n, PCIDevice *pci_dev, 
Error **errp)
         nvme_init_sriov(n, pci_dev, 0x120);
     }
 
-    return 0;
+    return true;
 }
 
 static void nvme_init_subnqn(NvmeCtrl *n)
@@ -7588,7 +7585,7 @@ static void nvme_realize(PCIDevice *pci_dev, Error **errp)
         return;
     }
     nvme_init_state(n);
-    if (nvme_init_pci(n, pci_dev, errp)) {
+    if (!nvme_init_pci(n, pci_dev, errp)) {
         return;
     }
     nvme_init_ctrl(n, pci_dev);
-- 
2.38.1